Ext4支持在线磁盘整理，这能够改善总体性能。
Ext4 adds support for online defragmentation, which should improve overall performance.
在某些特殊的磁盘整理程序中显示某些文件存在问题。
Problems with display of some files in special defragmentation software - PageDefrag are possible.
页面文件的大小默认的是由Windows决定的，它要足够大使得磁盘整理能够运行。
By default, the size of the paging file is controlled by Windows, which can cause defragmentation.
智能磁盘整理2就是这样一个免费工具，提供更快的文件载入智能和高磁盘性能极其快速和有效的碎片整理您的硬盘驱动器。
Smart defrag 2 is such a FREE tool that provides extremely fast and efficient defragmentation to your hard drives intelligently for faster file loading and high disk performance.
智能磁盘整理2就是这样一个免费工具，提供更快的文件载入智能和高磁盘性能极其快速和有效的碎片整理您的硬盘驱动器。
Smart defrag 2 is such a FREE tool that provides extremely fast and efficient defragmentation to your hard drives intelligently for faster file loading and high disk performance.
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